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Surgical exploration of the brachial artery increases immediate pulse return in paediatric supracondylar humerus fracturesSurgical Exploration Improves Pulse Return in Children with Arm Fractures

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Key Takeaway
Note that surgical exploration of the brachial artery increases immediate pulse return but does not change long-term functional outcomes.

This meta-analysis analyzed data from 591 paediatric patients with pink pulseless hands (PPH) following supracondylar humerus fractures to compare surgical exploration of the brachial artery against closed reduction and percutaneous pinning (CRPP). The study aimed to determine the efficacy of immediate surgical intervention on pulse restoration and long-term outcomes.

Findings indicate that surgical exploration is associated with a higher rate of pulse return within 24 hours (0.94; 95% CI 0.89-0.99) compared to CRPP alone (0.61; 95% CI 0.48-0.74). The odds of immediate pulse return for nonoperative management were significantly lower than surgical intervention (OR 0.36; 95% CI 0.14-0.97). Additionally, the conversion rate from nonoperative to surgery was reported at 24.8% (95% CI 16.7-33.0%).

Regarding long-term outcomes, the study found that functional results were comparable between groups (OR 2.46; 95% CI 0.46-13.10). However, the authors note high heterogeneity in the CRPP group (I2 = 82.7%). Clinically, while surgical exploration is associated with higher rates of immediate pulse restoration, long-term functional outcomes do not differ significantly from nonoperative management.

How this fits prior evidence

This meta-analysis addresses a gap in clinical management for supracondylar humerus fractures by comparing surgical versus nonoperative techniques. It builds upon prior evidence regarding the stability of fixation methods, such as crossed pins and external fixation, by focusing on the immediate neurovascular outcomes following injury. While previous data established mechanical stability, this finding confirms that surgical exploration is associated with higher rates of immediate pulse restoration compared to nonoperative management.

This meta-analysis looked at 591 pediatric patients who suffered supracondylar humerus fractures and presented with pink pulseless hands. Researchers compared two treatments: surgical exploration of the brachial artery versus closed reduction and percutaneous pinning (CRPP) without immediate neurovascular exploration.

The study found that children who underwent surgical exploration had a much higher rate of pulse return within 24 hours, at 0.94, compared to 0.61 for those treated with CRPP alone. While surgery was linked to faster initial recovery of the pulse, the long-term functional outcomes were reported as comparable between both groups.

Because this data comes from a meta-analysis of retrospective studies and showed high variation in some data points, it is important to view these results as an association rather than a definitive rule. The wide range in long-term outcome data suggests more certainty is needed. Patients and families should discuss these specific treatment options with their orthopedic specialists.

What this means for you:
Surgical exploration shows a higher rate of immediate pulse return, but long-term function is similar to other methods.

Common questions

Does surgery help the blood flow return faster?

Yes, the study found that surgical exploration of the brachial artery was associated with a higher rate of pulse return within 24 hours (0.94) compared to nonoperative management (0.61). This suggests that surgery can lead to quicker initial recovery of the pulse in children with these specific arm fractures.

Are there long-term differences between surgical and non-surgical treatments?

The study found that long-term functional outcomes were comparable between the two groups. While surgery helped the pulse return faster initially, the long-term physical results for children were similar regardless of whether they had immediate surgical exploration or standard pinning.

What is the conversion rate to surgery for nonoperative cases?

In cases where nonoperative management was initially attempted, the study reported a 24.8% conversion rate to surgical intervention. This means about one-quarter of patients who did not start with surgery ended up needing it during their treatment.

Study Details

Study typeMeta analysis
Sample sizen = 591
EvidenceLevel 1
PublishedAug 2026
View Original Abstract ↓
INTRODUCTION: The management of the pink pulseless hand (PPH) following paediatric supracondylar humerus fractures remains controversial, with no clear consensus between orthopaedic management and early neurovascular surgical exploration. This study aimed to compare outcomes of these strategies through systematic review and meta-analysis. METHODS: A systematic review was conducted in accordance with PRISMA guidelines. Multiple electronic databases were searched up to December 2024. Retrospective cohort studies evaluating management of PPH in paediatric supracondylar fractures were included. Primary outcomes were return of radial pulse within 24 h following (1) closed reduction and percutaneous pinning (CRPP) without neurovascular exploration and (2) surgical exploration of the brachial artery. Secondary outcomes included comparative pulse return, conversion to neurovascular exploration, and long-term functional outcomes. Data were analysed using a random-effects model. RESULTS: Twenty-five studies comprising 591 patients were included. Following CRPP alone, the pooled proportion of pulse return within 24 h was 0.61 (95% CI 0.48-0.74), with substantial heterogeneity (I² = 82.7%). In contrast, neurovascular exploration demonstrated a higher pooled pulse return rate of 0.94 (95% CI 0.89-0.99) with minimal heterogeneity (I² = 0%). Comparative analysis showed lower odds of immediate pulse return with nonoperative neurovascular management (OR 0.36, 95% CI 0.14-0.97). The pooled conversion rate from nonoperarvie management to surgery was 24.8% (95% CI 16.7-33.0%). Long-term functional outcomes were comparable between groups (OR 2.46, 95% CI 0.46-13.10). CONCLUSION: Operative exploration is associated with higher rates of immediate pulse restoration compared with nonoperative management. However, long-term functional outcomes appear similar between strategies. Initial conservative management may be appropriate in selected cases, but a low threshold for surgical exploration is warranted when pulse does not return or clinical concern persists. Further prospective studies are required to define optimal management pathways.
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